19907564

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{193}}^1\times {\mathrm{241}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 35492688

約数和(自身を除く): 15585124

約数列:

[1, 2, 4, 107, 193, 214, 241, 386, 428, 482, 772, 964, 20651, 25787, 41302, 46513, 51574, 82604, 93026, 103148, 186052, 4976891, 9953782, 19907564]

約数ペア:

[(1, 19907564), (2, 9953782), (4, 4976891), (107, 186052), (193, 103148), (214, 93026), (241, 82604), (386, 51574), (428, 46513), (482, 41302), (772, 25787), (964, 20651)]